Pupil Size Changes When Non-Aphantasic People Visualize Mental Imagery in Their Mind's Eye Pupillometry researchers at Princeton University recently discovered (Mon et al., 2021) that written ...

Vizz, a new FDA-approved eye drop, offers adults with age related near vision loss (presbyopia) a daily, non-surgical ...

The authors measured the size of the pupils of over 500 study participants with a high powered camera and computer that can measure how light reflects off the pupil and cornea.

Iris brightness and pupil size affect people's perceptions, according to a new study. elnariz - stock.adobe.com Feast your eyes on the iris. Sure, being blessed with a choice eye color is cool.

When the orexin neurons in the brain are stimulated, pupils expand, new research in mice shows. Orexin is central to the regulation of pupil size. When the orexin system is switched off, the ...

A study found pupils respond in the same way to the number of objects in one’s field of vision as they do to light. Experiments revealed pupils dilate in response to images with more dots ...

UNDATED (WKRC) - Pupil size is related to intelligence. That's according to a study published in Scientific American, with work conducted at the laboratory at the Georgia Institute of Technology ...

The way the brain regulates pupil size is different from previously thought: fundamentally responsible is the neurotransmitter orexin, as researchers at ETH Zurich have now shown.

A prototype smartphone app has been developed to screen for the very earliest stages of Alzheimer’s disease. The app tracks minute changes in a person’s pupil size, which previous research has ...